Specifications
Options
81
External dimensions ConnectionsUnit: mm (inch)
● MR-RB3H-4, MR-RB3G-4, MR-RB34-4
● MR-RB3M-4 (available soon)
● MR-RB1L-4 (available soon)
● MR-RB5H-4, MR-RB5G-4, MR-RB54-4
Model
300
300
300
Tolerable regenerative power (W)
2.9 (6.4)
2.9 (6.4)
2.9 (6.4)
Mass kg (lb)
MR-RB3H-4
MR-RB3G-4
MR-RB34-4
Model
500
500
500
Tolerable regenerative power (W)
5.6 (12.3)
5.6 (12.3)
5.6 (12.3)
Mass kg (lb)
MR-RB5H-4
MR-RB5G-4
MR-RB54-4
8.5 (0.33)
125 (4.92)
79 (3.11)
150 (5.91)
142 (5.59)
8.5
(0.33)
82.5
(3.25)
350 (13.78)
162.5 (6.4)
12.5
(0.49)
12.5
(0.49)
162.5 (6.4)
133 (5.24)
7 (0.28)
90 (3.54)
100 (3.94)
10 (0.39)
49
(1.93)
2.3 (0.09)
23 (0.91)
12
(0.47)
7 (0.28)
120 (4.72)
8 (0.31)
30 (1.18)
223 (8.78)
82.5
(3.25)
23 (0.91)
318 (12.52)
341 (13.43)
Fan mounting screw
(2-M3 screw)
Fan mounting screw
(2-M3 screw)
provided on opposite side
7 (0.275) ✕ 14 (0.551)
long hole
Wind blows in
direction of arrow
Fan
Always disconnect the wire for the servo
amplifier's built-in regenerative resistor
(across P-C).
Servo-amp
P
C
P
C
G3
G4
Optional
regeneration unit
(Note 2)
(Note 1)
5m (16.4ft) or less
Notes: 1. When using the MR-RB5H-4, MR-RB5G-4 or MR-RB54-4,
always forcibly cool with the cooling fan (approx. 1.0m
3
/min, M92).
2. Create a sequence that turns OFF the magnetic contactor (MC)
when abnormal overheating occurs.
● Optional regeneration unit
<Terminal arrangement>
G4
G3
C
P
Screw size: M3
TE1
<Terminal arrangement>
G4
G3
C
P
Screw size: M4
<Terminal arrangement>
G4
G3
C
P
Screw size: M4
<Terminal arrangement>
G4
G3
C
P
Screw size: M4
● MR-J2S-200A4 or smaller
● MR-J2S-350A4 to 700A4
Type
MR-RB1L-4
Mass
kg (lb)
Mass
kg (lb)
1.1 (2.4)
Type
MR-RB3M-4 2.9 (6.4)
318 (12.52)
3.2 (0.13)
17
(0.67)
150 (5.91)
125 (4.92)
10 (0.39)
90 (3.54)
7 (0.28)
79 (3.11)
100 (3.94)
Terminal
block
Servo-amp
5 m (16.4 ft) or less
(Note1)
Fan
Optional
regeneration unit
Always disconnect the wire across P-D.
D
P
P
C
G3
G4
C
Note:1.
Create a sequence that turns OFF the magnetic
contactor (MC) when abnormal overheating occurs.
TE1
6 (0.24)
6 (0.24)
156 (6.14)
6 (0.24)
168 (6.61)
36 (1.42)
40 (1.57)
15 (0.59)
144 (5.67)
149 (5.87)
2 (0.08)
11 (0.43)
173 (6.81)
24 (0.94)
ø6 (0.236)
mounting hole